Phenotypic characterization of Brucella strains isolated from livestock in Nigeria.
Abstract: Isolation of brucellae from aborted fetuses, hygroma fluids, milk and vaginal swabs obtained from aborting cattle, sheep, goats, pigs, and horses in Nigeria was carried out. A total of 25 isolates, obtained mainly from cattle, sheep and horses, were biotyped. All strains belonged to one species, Brucella abortus biovar 1. The epidemiological significance of this finding is discussed. Some preliminary observations on the zoonotic and public health implications of Brucella infection in Nigerian livestock are presented. A control programme involving improved management, animal movement restrictions, public health education and mass vaccination of animals is suggested.
Publication Date: 2004-09-24 PubMed ID: 15381265DOI: 10.1016/j.vetmic.2004.06.012Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
- Brucellosis
- Diagnosis
- Disease control
- Disease Diagnosis
- Disease Etiology
- Disease Management
- Disease Outbreaks
- Disease Prevention
- Disease Surveillance
- Disease Transmission
- Disease Treatment
- Epidemiology
- Equine Health
- Infectious Disease
- Livestock
- Public Health
- Veterinary Care
- Veterinary Medicine
- Veterinary Research
- Veterinary Science
- Zoonotic Diseases
Summary
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This research focused on the identification and analysis of Brucella strains from various animals in Nigeria, finding that all strains belonged to the species Brucella abortus biovar 1. Additionally, it discusses the potential impact on public health and suggests a control program for managing the infection.
Characterization and Isolation of Brucella Strains
- Scientists conducted an isolation of Brucella, a type of bacteria commonly responsible for causing brucellosis in livestock and humans, from aborted fetuses, hygroma fluids, milk, and vaginal swabs of various animals such as cattle, sheep, goats, pigs, and horses in Nigeria.
- A total of 25 isolates were obtained and biotyped, meaning they were classified based on their biological features. These were mainly derived from cattle, sheep, and horses.
Species Identification and Epidemiological Significance
- All of the identified strains were found to belong to one species, namely Brucella abortus biovar 1. This species is known to cause brucellosis, an infectious disease that can cause abortion in animals and can also spread to humans.
- The researchers discuss the epidemiological significance of this finding, which means they consider how the presence of this specific species of Brucella may influence the occurrence and spread of the disease within the animal and human populations in Nigeria.
Zoonotic and Public Health Implications
- The team made preliminary observations on the zoonotic implications of the Brucella infection in Nigerian livestock. Zoonotic refers to diseases that can be transferred from animals to humans. As Brucella abortus biovar 1 can also infect humans, this is a significant public health concern.
- As part of this discussion, the researchers not only consider the health implications for animals, but also the potential public-health risks to people who may come into contact with infected livestock.
Brucellosis Control Programme
- Given the significance of the findings and potential public health impact, the researchers suggest implementing a control program to manage the spread of the infection.
- This program would include improved management of livestock, restriction of animal movement to prevent the spread of disease, public health education to raise awareness about the disease, and mass vaccination of animals to increase their immunity to brucella.
Cite This Article
APA
Ocholi RA, Kwaga JK, Ajogi I, Bale JO.
(2004).
Phenotypic characterization of Brucella strains isolated from livestock in Nigeria.
Vet Microbiol, 103(1-2), 47-53.
https://doi.org/10.1016/j.vetmic.2004.06.012 Publication
Researcher Affiliations
- Bacterial Research Department, Brucellosis Research Unit, National Veterinary Research Institute, Vom, Plateau State, Nigeria. ocholir@afrione.com
MeSH Terms
- Abortion, Veterinary / epidemiology
- Abortion, Veterinary / microbiology
- Animals
- Bacterial Typing Techniques / veterinary
- Brucella / classification
- Brucella / growth & development
- Brucella / isolation & purification
- Brucellosis / epidemiology
- Brucellosis / microbiology
- Brucellosis / veterinary
- Cattle
- Cattle Diseases / epidemiology
- Cattle Diseases / microbiology
- Female
- Horse Diseases / epidemiology
- Horse Diseases / microbiology
- Horses
- Nigeria / epidemiology
- Pregnancy
- Sheep
- Sheep Diseases / epidemiology
- Sheep Diseases / microbiology
Citations
This article has been cited 15 times.- Deb Nath N, Ahmed SSU, Malakar V, Hussain T, Chandra Deb L, Paul S. Sero-prevalence and risk factors associated with brucellosis in dairy cattle of Sylhet District, Bangladesh: A cross-sectional study.. Vet Med Sci 2023 May;9(3):1349-1358.
- Akinyemi KO, Fakorede CO, Amisu KO, Wareth G. Human and Animal Brucellosis in Nigeria: A Systemic Review and Meta-Analysis in the Last Twenty-One Years (2001-2021).. Vet Sci 2022 Jul 26;9(8).
- Cadmus SI, Akporube KA, Ola-Daniel F, Adelakun OD, Akinseye VO. Seroprevalence and associated factors of brucellosis and Q-fever in cattle from Ibarapa area, Oyo State, South-western Nigeria.. Pan Afr Med J 2020;36:370.
- Ogugua AJ, Akinseye VO, Cadmus EO, Jolaoluwa Awosanya EA, Alabi PI, Idowu OS, Akinade SA, Dale EJ, Perrett L, Taylor A, Ignocio M, Cadmus SIB. Prevalence and risk factors associated with bovine brucellosis in herds under extensive production system in southwestern Nigeria.. Trop Anim Health Prod 2018 Oct;50(7):1573-1582.
- Adesokan HK, Alabi PI, Ogundipe MA. Prevalence and predictors of risk factors for Brucellosis transmission by meat handlers and traditional healers' risk practices in Ibadan, Nigeria.. J Prev Med Hyg 2016 Sep;57(3):E164-E171.
- Ardo MB, Abubakar DM. Seroprevalence of horse (Equus caballus) brucellosis on the Mambilla plateau of Taraba State, Nigeria.. J Equine Sci 2016;27(1):1-6.
- Mathew C, Stokstad M, Johansen TB, Klevar S, Mdegela RH, Mwamengele G, Michel P, Escobar L, Fretin D, Godfroid J. First isolation, identification, phenotypic and genotypic characterization of Brucella abortus biovar 3 from dairy cattle in Tanzania.. BMC Vet Res 2015 Jul 21;11:156.
- Mai HM, Irons PC, Thompson PN. Brucellosis, genital campylobacteriosis and other factors affecting calving rate of cattle in three states of Northern Nigeria.. BMC Vet Res 2015 Jan 20;11:7.
- Ducrotoy MJ, Bertu WJ, Ocholi RA, Gusi AM, Bryssinckx W, Welburn S, Moriyón I. Brucellosis as an emerging threat in developing economies: lessons from Nigeria.. PLoS Negl Trop Dis 2014 Jul;8(7):e3008.
- Ali S, Ali Q, Melzer F, Khan I, Akhter S, Neubauer H, Jamal SM. Isolation and identification of bovine Brucella isolates from Pakistan by biochemical tests and PCR.. Trop Anim Health Prod 2014 Jan;46(1):73-8.
- Kaltungo BY, Saidu SN, Sackey AK, Kazeem HM. Serological evidence of brucellosis in goats in kaduna north senatorial district of kaduna state, Nigeria.. ISRN Vet Sci 2013;2013:963673.
- Mai HM, Irons PC, Kabir J, Thompson PN. A large seroprevalence survey of brucellosis in cattle herds under diverse production systems in northern Nigeria.. BMC Vet Res 2012 Aug 25;8:144.
- Bertu WJ, Gusi AM, Hassan M, Mwankon E, Ocholi RA, Ior DD, Husseini BA, Ibrahim G, Abdoel TH, Smits HL. Serological evidence for brucellosis in Bos indicus in Nigeria.. Trop Anim Health Prod 2012 Feb;44(2):253-8.
- Muendo EN, Mbatha PM, Macharia J, Abdoel TH, Janszen PV, Pastoor R, Smits HL. Infection of cattle in Kenya with Brucella abortus biovar 3 and Brucella melitensis biovar 1 genotypes.. Trop Anim Health Prod 2012 Jan;44(1):17-20.
- Megersa B, Biffa D, Abunna F, Regassa A, Godfroid J, Skjerve E. Seroprevalence of brucellosis and its contribution to abortion in cattle, camel, and goat kept under pastoral management in Borana, Ethiopia.. Trop Anim Health Prod 2011 Mar;43(3):651-6.
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